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<BODY><H2><a href="../contents.htm">Tcl8.6.11/Tk8.6.11 Documentation</a> <small>&gt;</small> <a href="contents.htm">Tk C API</a> <small>&gt;</small> OwnSelect</H2>
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<H3><A NAME="M2">NAME</A></H3>
Tk_OwnSelection &mdash; make a window the owner of the primary selection
<H3><A NAME="M3">SYNOPSIS</A></H3>
<B>#include &lt;tk.h&gt;</B><BR>
<B>Tk_OwnSelection</B>(<I>tkwin, selection, proc, clientData</I>)<BR>
<H3><A NAME="M4">ARGUMENTS</A></H3>
<DL class="arguments">
<DT><A HREF="../TkLib/WindowId.htm">Tk_Window</A> <B>tkwin</B> (in)<DD>
Window that is to become new selection owner.
<P><DT>Atom <B><A HREF="../TkCmd/selection.htm">selection</A></B> (in)<DD>
The name of the selection to be owned, such as XA_PRIMARY.
<P><DT>Tk_LostSelProc <B>*proc</B> (in)<DD>
Procedure to invoke when <I>tkwin</I> loses selection ownership later.
<P><DT>ClientData <B>clientData</B> (in)<DD>
Arbitrary one-word value to pass to <I>proc</I>.
<P></DL>
<H3><A NAME="M5">DESCRIPTION</A></H3>
<B>Tk_OwnSelection</B> arranges for <I>tkwin</I> to become the
new owner of the selection specified by the atom
<I>selection</I>.  After this call completes, future requests
for the selection will be directed to handlers created for
<I>tkwin</I> using <B><A HREF="../TkLib/CrtSelHdlr.htm">Tk_CreateSelHandler</A></B>.  When <I>tkwin</I>
eventually loses the selection ownership, <I>proc</I> will be
invoked so that the window can clean itself up (e.g. by
unhighlighting the selection).  <I>Proc</I> should have arguments and
result that match the type <B>Tk_LostSelProc</B>:
<PRE>typedef void <B>Tk_LostSelProc</B>(
        ClientData <I>clientData</I>);</PRE>
The <I>clientData</I> parameter to <I>proc</I> is a copy of the
<I>clientData</I> argument given to <B>Tk_OwnSelection</B>, and is
usually a pointer to a data structure containing application-specific
information about <I>tkwin</I>.
<H3><A NAME="M6">KEYWORDS</A></H3>
<A href="../Keywords/O.htm#own">own</A>, <A href="../Keywords/S.htm#selection owner">selection owner</A>
<div class="copy">Copyright &copy; 1990-1994 The Regents of the University of California.
<BR>Copyright &copy; 1994-1996 Sun Microsystems, Inc.
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